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Exotic Cadillac XTS mule spotted

Autoweek reader and frequent spy-photo contributor Spencer Abbott brings us these photos that he took last weekend in Birmingham, Mich. The photos clearly show a heavily camouflaged Cadillac XTS. But given that production-ready examples of Cadillac's new full-sizer have been making frequent appearances on Michigan highways for months, the heavy camo on this XTS is a bit puzzling.

Power Boost For Vauxhall’s Sporty Astra GTC

VAUXHALL has boosted the performance of its three-door Astra GTC with the inclusion of a new 1.6-litre turbo petrol motor. Slotting in below the firm’s hot VXR variant, this latest addition to the Astra range boasts 197 horsepower and is the same unit that also powers Vauxhall’s premium drop-top, the Cascada. On-paper performance figures promise a brisk driving experience, with the 1.6 turbo Astra GTC topping out at 143mph and capable of sprinting to 60mph in 7.3 seconds.

Chevrolet Corvette Z06 (2014) first teaser picture

By Ben Pulman First Official Pictures 05 December 2013 11:00 Coincidence? On the same day that Ford has revealed the new Mustang, Chevrolet has announced a new Corvette in a cheeky bid by one iconic American sports car to deflect attention away from another. Unlike the Mustang it’s not an all-new model, but instead a harder, faster, more track-focused variant of the Corvette, the new Z06.